<template>
  <div class="search">
  	
  	<div class="search-box-wrapper">
  	  <search-box ref="searchBox" @query="onQueryChange"></search-box>
  	</div>
  	
  	<div ref="shortcutWrapper" class="shortcut-wrapper" v-show="!query">
  		<!--scroll组件生效的只是它里面的第一个元素-->
  	  <scroll :refreshDelay="refreshDelay" class="shortcut" ref="shortcut" :data="shorcut">
  	  	
  	  <div>
  	  	
  	  	<div class="hot-key">
  	      <h1 class="title">热门搜索</h1>
  	      <ul>
  	      	<li @click="addQuery(item.k)" class="item" v-for="item in hotKey">
  	      		<span>{{item.k}}</span>
  	      	</li>
  	      </ul>
  	    </div>
  	    <div class="search-history" v-show="searchHistory.length">
  	    	<h1 class="title">
  	    		<span class="text">搜索历史</span>
  	    		<span class="clear" @click="showConfirm">
  	    			<i class="icon-clear"></i>
  	    		</span>
  	    	</h1>
  	    	
  	    	<search-list @select="addQuery" @delete="deleteSearchHistory" :searches="searchHistory"></search-list>
  	    	
  	    </div>
  	    
  	  </div>
  	  
  	  </scroll>
  	  
  	</div>
  	
  	<div ref="searchResult" class="search-result" v-show="query">
  		<suggest ref="suggest" @select="saveSearch" @listScroll="blurInput" :query="query"></suggest>
  	</div>
  	
  	<confirm ref="confirm" text="是否清空所有搜索历史！" confirmBtnText="清空" @confirm="clearSearchHistory"></confirm>
  	<router-view></router-view>
  </div>
</template>

<script type="text/ecmascript-6">
import SearchBox from 'base/search-box/search-box'
import {getHotKey} from 'api/search'
import {ERR_OK} from 'api/config'
import Suggest from 'components/suggest/suggest'
import {mapActions} from 'vuex'
import SearchList from 'base/search-list/search-list'
import Confirm from 'base/confirm/confirm'
import Scroll from 'base/scroll/scroll'
import {playlistMixin, searchMixin} from 'common/js/mixin'
export default {
  mixins: [playlistMixin, searchMixin],
  data () {
    return {
      hotKey: [] // 热门搜索关键词数据
//    query: ''
    }
  },
  computed: {
    // 当scroll组件中包含有两个以上的数据要传的时候，要把这几个数据拼接起来再穿过去
    shorcut () {
      return this.hotKey.concat(this.searchHistory)
    }
//  ...mapGetters([
//    'searchHistory'
//  ])
  },
  components: {
    SearchBox,
    Suggest,
    SearchList,
    Confirm,
    Scroll
  },
  created () {
    this._getHotKey()
  },
  methods: {
    handlePlaylist (playlist) {
      const bottom = playlist.length > 0 ? '60px' : ''
      this.$refs.shortcutWrapper.style.bottom = bottom
      this.$refs.shortcut.refresh()
      this.$refs.searchResult.style.bottom = bottom
      this.$refs.suggest.refresh()
    },
//  addQuery (query) {
//    this.$refs.searchBox.setQuery(query)
//  },
//  onQueryChange (query) {
//    this.query = query
//  },
//  blurInput () {
//    this.$refs.searchBox.blur()
//  },
//  saveSearch () {
//    this.saveSearchHistory(this.query)
//  },
    // 在父组件search里调用confirm组件里的方法，控制confirm组件的显示
    showConfirm () {
      this.$refs.confirm.show()
    },
//  deleteOne (item) {
//    this.deleteSearchHistory(item) // 这方法可以直接用在DOM上了
//  },
//  deleteAll () {
//    this.clearSearchHistory() // 这方法可以直接用在DOM上了
//  },
    _getHotKey () {
      getHotKey().then((res) => {
        if (res.code === ERR_OK) {
          this.hotKey = res.data.hotkey.slice(0, 12)
          console.log(this.hotKey)
        }
      })
    },
    ...mapActions([
      'clearSearchHistory'
    ])
  },
  watch: {
    // 当搜索框内容从有到无时，页面切换时，调用scroll组件的refresh（）方法重新计算一下高度
    query (newQuery) {
      if (!newQuery) {
        setTimeout(() => {
          this.$refs.shortcut.refresh()
        }, 20)
      }
    }
  }
}
</script>

<style lang="stylus" rel="stylesheet/stylus" scoped="scoped">
  @import "~common/stylus/variable"
  @import "~common/stylus/mixin"

  .search
    .search-box-wrapper
      margin: 20px
    .shortcut-wrapper
      position: fixed
      top: 178px
      bottom: 0
      width: 100%
      .shortcut
        height: 100%
        overflow: hidden
        .hot-key
          margin: 0 20px 20px 20px
          .title
            margin-bottom: 20px
            font-size: $font-size-medium
            color: $color-text-l
          .item
            display: inline-block
            padding: 5px 10px
            margin: 0 20px 10px 0
            border-radius: 6px
            background: $color-highlight-background
            font-size: $font-size-medium
            color: $color-text-d
        .search-history
          position: relative
          margin: 0 20px
          .title
            display: flex
            align-items: center
            height: 40px
            font-size: $font-size-medium
            color: $color-text-l
            .text
              flex: 1
            .clear
              extend-click()
              .icon-clear
                font-size: $font-size-medium
                color: $color-text-d
    .search-result
      position: fixed
      width: 100%
      top: 178px
      bottom: 0
</style>
